A small amount or degree

A slight or small increase

थोड़ा सा वृद्धि

English Usage: "The temperature rose a tad today."

Hindi Usage: "आज तापमान थोड़ा सा बढ़ा।"

To a small extent

Slightly

हल्का सा

English Usage: "This dress is a tad too big for me."

Hindi Usage: "यह कपड़ा मेरे लिए हल्का सा बड़ा है।"